php [WORDPRESS] - 脚注中的Wordpress动态版权日期#wp #footer #wordpress＃functions.php

Posted 2021-05-05

//Wordpress dynamic copyright date in the footer
//###################### Add following code to functions.php
function comicpress_copyright() {
global $wpdb;
$copyright_dates = $wpdb->get_results("
SELECT
YEAR(min(post_date_gmt)) AS firstdate,
YEAR(max(post_date_gmt)) AS lastdate
FROM
$wpdb->posts
WHERE
post_status = 'publish'
");
$output = '';
if($copyright_dates) {
$copyright = "© " . $copyright_dates[0]->firstdate;
if($copyright_dates[0]->firstdate != $copyright_dates[0]->lastdate) {
$copyright .= '-' . $copyright_dates[0]->lastdate;
}
$output = $copyright;
}
return $output;
}

//###################### Add following code to footer.php
<?php echo comicpress_copyright(); ?>